guangzhou baiyunshan chemical pharmaceutical factory
Country: China (Mainland)
Business Type: Manufacturers
(2S-trans)-3-Amino-2-methyl-4-oxoazetidine-1-sulphonic acidCAS NO.: 80082-65-1
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,
7-amino-8-oxo-3-(1E)-1-propenyl-, (6R,7R)-CAS NO.: 107937-01-9
(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acidCAS NO.: 120709-09-3